19169128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3649

約数の個数: 32

約数和(自身を含む): 39863520

約数和(自身を除く): 20694392

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3571, 5368, 7142, 14284, 28568, 39281, 78562, 157124, 217831, 314248, 435662, 871324, 1742648, 2396141, 4792282, 9584564, 19169128]

約数ペア:

[(1, 19169128), (2, 9584564), (4, 4792282), (8, 2396141), (11, 1742648), (22, 871324), (44, 435662), (61, 314248), (88, 217831), (122, 157124), (244, 78562), (488, 39281), (671, 28568), (1342, 14284), (2684, 7142), (3571, 5368)]